电液式大功率清洗装置的设计

对于污物重的大型、复杂零部件的清洗，已有的清洗方法难以实现大功率，为了解决这个问题，提出了电液式大功率清洗装置。其核心零件是2D四通转阀，通过控制2D四通转阀阀芯旋转可实现激振频率的控制，改变待清洗零件振动的快慢；控制阀芯轴向滑动可实现激振幅值的控制，改变待清洗零件振动的幅值。该装置采用2D四通转阀带动液压缸中的液压杆前后移动，从而带动清洗盒前后快速振动，剥离被清洗物表面的污垢，从而达到洗净目的，实现大功率清洗。通过数据采集系统实现对液压系统的控制、可视化实时数据采集、显示和保存。基于电液式大功率清洗的工作与控制原理搭建实验平台并做实验。结果表明：该电液式大功率清洗装置可达到下限频率为2669 Hz，实现大功率清洗。

Design of Electrohydraulic High Power Cleaning Device

For cleaning of large and complex parts with heavy dirt, existing cleaning methods are difficult to achieve high power. In order to solve this problem, an electro-hydraulic high power cleaning device is proposed. The core part of this device is a 2D rotary valve. We can control the excitation frequency by controlling the rotation of the spool of 2D valve, and the vibration speed of parts to be cleaned can be changed. The axial sliding of the spool can control the amplitude of excitation and change the amplitude of vibration of the parts to be cleaned. The device uses the 2D valve to drive hydraulic rod in a hydraulic cylinder to move forward and backward with the cleaning box to vibrate quickly, and thus the dirt on the surface of the cleaned object is removed to realize the purpose of cleaning and achieve high-power cleaning. A data acquisition system is designed especially for control of hydraulic system, visualization of real-time data collection and display and preservation of data. An experimental platform is established which is based on the work and control principle of electro-hydraulic high power cleaning. The results show that the electro-hydraulic high-power cleaning device can realize high-power cleaning with lower limit frequency of 2669 kHz.